[OCFS2] Make ip_io_sem a mutex

[sfrench/cifs-2.6.git] / fs / ocfs2 / buffer_head_io.c

diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index d424041b38e9b568ffba1a287639f68f4c9d07f3..bae3d7548beae59961a436033fd69a99da391a57 100644 (file)
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -58,7 +58,7 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
                goto out;
        }
 
-       down(&OCFS2_I(inode)->ip_io_sem);
+       mutex_lock(&OCFS2_I(inode)->ip_io_mutex);
 
        lock_buffer(bh);
        set_buffer_uptodate(bh);
@@ -82,7 +82,7 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
                brelse(bh);
        }
 
-       up(&OCFS2_I(inode)->ip_io_sem);
+       mutex_unlock(&OCFS2_I(inode)->ip_io_mutex);
 out:
        mlog_exit(ret);
        return ret;
@@ -125,13 +125,13 @@ int ocfs2_read_blocks(struct ocfs2_super *osb, u64 block, int nr,
                flags &= ~OCFS2_BH_CACHED;
 
        if (inode)
-               down(&OCFS2_I(inode)->ip_io_sem);
+               mutex_lock(&OCFS2_I(inode)->ip_io_mutex);
        for (i = 0 ; i < nr ; i++) {
                if (bhs[i] == NULL) {
                        bhs[i] = sb_getblk(sb, block++);
                        if (bhs[i] == NULL) {
                                if (inode)
-                                       up(&OCFS2_I(inode)->ip_io_sem);
+                                       mutex_unlock(&OCFS2_I(inode)->ip_io_mutex);
                                status = -EIO;
                                mlog_errno(status);
                                goto bail;
@@ -220,7 +220,7 @@ int ocfs2_read_blocks(struct ocfs2_super *osb, u64 block, int nr,
                        ocfs2_set_buffer_uptodate(inode, bh);
        }
        if (inode)
-               up(&OCFS2_I(inode)->ip_io_sem);
+               mutex_unlock(&OCFS2_I(inode)->ip_io_mutex);
 
        mlog(ML_BH_IO, "block=(%"MLFu64"), nr=(%d), cached=%s\n", block, nr,
             (!(flags & OCFS2_BH_CACHED) || ignore_cache) ? "no" : "yes");